1) Locate and login to your phpMyAdmin client.
2) Select the database and click on the name of the database (circled).
Repair MySQL Tables in phpMyAdmin
3) You should see all of the tables for your database.
Repair MySQL Tables in phpMyAdmin
4) Select the checkboxes for each table that has an overhead value.
Repair MySQL Tables in phpMyAdmin
This was only for example. Tables with an overhead value under a kilobyte aren’t really anything to worry about.
5) Go to the drop-down menu with selected on the bottom and select repair.
6) If everything works out, you will see the something like the image below.
Repair MySQL Tables in phpMyAdmin
7) Clicking on the database name again should show the screenshot below, with no overhead for any of the tables. That’s it!
Repair MySQL Tables in phpMyAdmin